So, no videos and no pdf files yet? Great. You will introduce the expensive product first without support? For example, Mercedes should sell AMG models without engines or in Japanese language cockpit version? And say to customers - calm down we made it in the nearest future. Pay and shut up... Raise...

First heat up your bed. For 60 C for PLA. Move your print head to each corner and use the feeler gauge to check the gap between nozzle and bed. Try to measure some reference points like all four corners and center of your heat plate. It should be near 0.20 mm.